Vulnerability in Isc Bind
CVE-2023-5680
If a resolver cache has a very large number of ECS records stored for the same name, the process of cleaning the cache database node for this name can significantly impair query performance. This issue affects BIND 9 versions 9.11.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.006 (48.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Isc Bind — versions 9.11.3, 9.11.4, 9.11.5
- Isc Bind 9 — versions 9.11.3-S1, 9.16.8-S1, 9.18.11-S1
- NetApp Active Iq Unified Manager
Public proof-of-concept exploits
References
- kb.isc.org/docs/cve-2023-5680 (vendor-advisory, Vendor Advisory)
- security.netapp.com/advisory/ntap-20240503-0005/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-5680?
- CVE-2023-5680 is a medium-severity vulnerability in Isc Bind. CVSS score: 5.3/10. Published 2024-02-13.
- How severe is CVE-2023-5680?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-5680 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.